ADD file via upload

back/src/com/demo/loginDate/InsertLoginDate.java

@@ -0,0 +1,76 @@
+package com.demo.loginDate;
+
+import java.io.IOException;
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Statement;
+import java.util.ArrayList;
+
+import javax.servlet.RequestDispatcher;
+import javax.servlet.ServletException;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import com.domain.GetDBConnection;
+import com.domain.loginDateInfo;
+import com.domain.scoreInfo;
+
+/**
+ * Servlet implementation class InsertLoginDate
+ */
+@WebServlet("/insertlogindate")
+public class InsertLoginDate extends HttpServlet {
+	private static final long serialVersionUID = 1L;
+	ArrayList<loginDateInfo> loginDatelist = new ArrayList<>();
+    /**
+     * @see HttpServlet#HttpServlet()
+     */
+    public InsertLoginDate() {
+        super();
+        // TODO Auto-generated constructor stub
+    }
+
+	/**
+	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
+	 */
+	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+		// TODO Auto-generated method stub
+		Connection con=null;
+	      Statement sql; 
+	      ResultSet rs;
+	      PreparedStatement preSql;
+		
+		
+		con = GetDBConnection.connectDB("musicMySQL","root","12345");
+	     if(con == null ) return;
+	     //String sqlStr ="insert into users values(?,?,?)";
+	
+		try {
+			 sql=con.createStatement();
+			 String sqlStr ="insert into loginDateInfo (username,loginDate) values(?,?)";
+			 String username = request.getParameter("username");
+			 username = new String(username.getBytes("iso8859-1"),"UTF-8");
+			 String loginDate = request.getParameter("loginDate");
+			 loginDate = new String(loginDate.getBytes("iso8859-1"),"UTF-8");
+			 preSql = con.prepareStatement(sqlStr);
+			preSql.setString(1, username);
+			preSql.setString(2, loginDate);	
+			int ok = preSql.executeUpdate();
+			if(preSql.getUpdateCount()==0) {
+				response.sendError(204, "insert failed");
+			}
+			RequestDispatcher view = request.getRequestDispatcher("/index.jsp");
+			view.forward(request, response);
+		}catch(SQLException e) {
+
+			
+			RequestDispatcher view = request.getRequestDispatcher("/index.jsp");
+			view.forward(request, response);
+		}
+	}
+
+}